MTL - Holistic Fantasy - ~ 2090 See you later in a month (four more for a monthly pass)

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?

When she woke up, Lake returned to the classroom of the third year. The classmates were in class with swords and sticks, and the teacher became a female Taoist.
The little fat man in the back seat, how to put two big hammers under his chair.
Rick found this to be a global era!

- Description from Uukanshu (translated)

“Ding!”“Congratulations on receiving the following Unique Skills:-–Appraisal (Basic)–Skill Absorption (Mythic)–Universal Synthesis (Ultimate)”_____________________________________“Synthesis Skills— Swift Sword Strike + Fire Toad's Breath.”“Ding!”“Congratulations! Your Skill Synthesis was successful.”“Your skills evolved into: Azula Sword Strike.‌”“Synthesis Materials— Titanium Runic Sword + Wyvern Bones”“Congratulations! You Synthesis was successful. Your Sword has evolved into Skeletal Dragon Sword.”-----In a heart-wrenching tale of loneliness and despair, Ethan Smith's life has been one of unending tragedy. Orphaned at a young age and tormented by a relentless terminal illness, he spent his final days confined to a cold, confined hospital room.As he takes his last breath, he awakened in a mysterious void, where Ethan is given the opportunity to choose three unique skills that will define his new existence. With millions of options but only three choices, he carefully selects his path, setting the stage for an extraordinary journey after death.Reincarnated into a fantastical world filled with magical Skills, powerful beings, and untold dangers, Ethan must navigate his new life, wielding the skills he chose to survive and thrive in a realm where anything is possible.But the question remains: Will this second life bring him the happiness and purpose he was denied in his first, or will it lead him down an even darker path?

Lucien, a guy who has nothing but the desire to save his mother. To get strong enough, he makes a contract with the demon of L.u.s.t. And now, only by making a great harem, will he gain the power to protect those dear to him.